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MAIN 3.3V & 3.3V IO POWER
VLCD_POWER
L301
IC301
120-ohm
MP8706EN-C247-LF-Z
IN
GND
1
8
C308
1uF
C311
SW_1
VCC
2
7
50V
100pF
C301
50V
22uF
SW_2
FB
25V
3
6
C302
VLCD_POWER
0.1uF
BST
EN/SYNC
4
5
R307
R301
100K
22
C309
R306
0.47uF
39K
50V
OPT
L305
3.6uH
4.9A
1.0V DIGITAL CORE POWER
+3.3V
L303
120-ohm
R305
100K
IC302
MP2212DN
C304
R302
100pF
3K
1%
R1
FB
EN/SYNC
1
8
R303
Vout= 0.8*(1+R1/R2)
9.1K
1%
GND
SW_2
2
7
R2
IN
SW_1
3
6
BS
VCC
C303
C306
4
5
22uF
10uF
16V
6.3V
OPT
R304
10
1%
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
DDR2 SDRAM SOURCE POWER for FRC
VLCD_POWER
(+12V)
+3.3V
L304
120-ohm
Vout= 0.8*(1+R1/R2)
R308
39K
C377
C374
C317
1%
22uF
22uF
22uF
R1
OPT
16V
16V
16V
R309
(+12V)
12.4K
1%
R2
C314
0.22uF
50V
+1.0VDC
L306
3.6uH
NR8040T3R6N
C316
C318
C319
C315
22uF
22uF
0.1uF
0.1uF
16V
16V
16V
50V
C312
1uF
10V
1.2V FPGA CORE POWER
C330
C334
1uF
25V
0.1uF
50V
C320
10uF
25V
LX_1
PGOOD
22
15
LX_2
20
R310
LX_3
100K
EN/PSV
25
21
LX_4
R320
C338
P3
8.2K
0.1uF
IC304
50V
ENL
28
SC424MLTRT
LXBST
12
LXS
FB
1
24
ILIM
23
C325
TON
0.1uF
27
16V
BST
7
R318
100K
DDR2 SDRAM SOURCE POWER for FPGA
VLCD_POWER
L310
IC310
120-ohm
MP8706EN-C247-LF-Z
Vout= 0.8*(1+R1/R2)
IN
GND
1
8
C335
C339
1uF
SW_1
VCC
2
7
50V
100pF
C321
50V
OPT
22uF
SW_2
FB
25V
3
6
C326
VLCD_POWER
0.1uF
BST
EN/SYNC
4
5
(+12V)
R321
R311
100K
22
C337
R319
0.47uF
39K
50V
L314
3.6uH
4.9A
+3.3V
Vout= 0.8*(1+R1/R2)
L308
120-ohm
R314
100K
C327
100pF
R312
R313
R317
10K
0
5.1K
IC305
MP2212DN
FB
EN/SYNC
1
8
L309
3.6uH
GND
SW_2
2
7
IN
SW_1
3
6
OPT
C322
C323
C324
22uF
0.1uF
22uF
BS
VCC
4
5
16V
50V
16V
OPT
D302
R315
1N4148W_DIODES
10
100V
C328
R316
0.1uF
10
C329
1uF
25V
1.8V DDR SDRAM POWER
+2.5VQ
L307
3.3uH
4.1A
C371
C372
C373
R334
C368
0.01uF
22uF
22uF
22uF
39K
16V
16V
16V
OPT
OPT
C340
C369
R335
1000pF
10K
100pF
OPT
1%
50V
R1
R338
4.3K
1%
R2
2V5
1.8V FPGA DDR SDRAM POWER
C375
C376
C370
R336
10K
22uF
22uF
22uF
1%
16V
16V
16V
R1
R337
4.7K
1%
R2
1.8V FPGA DDR SDRAM VTT & VREF
DDR_VTT
C332
0.47uF
50V
C310
C305
C307
C344
22uF
22uF
22uF
10uF
16V
16V
16V
16V
OPT
1V2
DDR_VREF0
C331
C333
C336
22uF
0.1uF
22uF
BLM18PG121SN1D
16V
50V
16V
OPT
C343
0.1uF
DDR_VREF1
16V
BLM18PG121SN1D
C342
C345
0.1uF
0.1uF
16V
16V
+1.8V_DDR
IC307
Vout= 0.8*(1+R1/R2)
SC4215ISTRT
+2.5VQ
NC_1
GND
R330
1
8
15K
1%
R1
R323
EN
ADJ
91K
2
7
VIN
VO
3
6
R331
C361
C365
12K
NC_2
NC_3
1%
22uF
0.1uF
C349
C353
C356
4
5
R2
16V
16V
10uF
0.1uF
0.22uF
10V
16V
50V
+1.8V_DDRS
IC308
Vout= 0.8*(1+R1/R2)
SC4215ISTRT
+2.5VQ
NC_1
GND
R332
1
8
15K
1/10W
1%
R324
R1
EN
ADJ
100K
2
7
VIN
VO
3
6
R333
C362
C366
12K
NC_2
NC_3
1/10W
22uF
0.1uF
C350
C354
C357
4
5
1%
16V
16V
10uF
0.1uF
0.22uF
R2
10V
16V
50V
1V8
2V5
IC306
Vout= 0.8*(1+R1/R2)
SC4215ISTRT
NC_1
GND
R327
1
8
15K
1/10W
1%
R322
R1
100K
EN
ADJ
2
7
VIN
VO
3
6
R328
C360
C364
12K
NC_2
NC_3
1/10W
22uF
0.1uF
C348
C352
C355
4
5
1%
16V
16V
10uF
0.1uF
0.22uF
R2
10V
16V
50V
+3.3V
IC309
C347
BD35331F-E2
0.1uF
1V8
16V
GND
VTT
1
8
EN
VTT_IN
2
7
VTTS
VCC
3
6
L311
R329
VREF
VDDQ
220
4
5
OPT
C363
C359
C346
C351
C358
2.2uF
10uF
0.1uF
0.1uF
0.1uF
25V
10V
16V
16V
16V
L312
3D + 240 FRC + TCON BOARD
2009. 11. 13
FRC & FPGA Power Block
3
LGE Internal Use Only
C367
0.1uF
16V
10
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